{
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\begin{tabular}{l*{5}{c}}
\toprule
&Cyclone & Bag Filter & Scrubber & ESP \\
& (1) & (2) & (3) & (4) \\
\midrule \addlinespace
&\multicolumn{4}{c}{\textit{Total Boiler Capacity = 3 TPH}}\\ \addlinespace
Capital costs (Rs/month, amort.)&     6953.33&     6518.75&    10430.00&    78225.00\\
Variable costs (Rs/month)       &     3000.00&     2812.50&     4500.00&    33750.00\\
Emission reduction (\%)         &       80.00&       99.00&       94.00&       99.70\\
Assumed pollution (kg/month)    &     1575.90&     1575.90&     1575.90&     1575.90\\
Emission abatement (kg/month)   &     1260.72&     1560.14&     1481.34&     1571.17\\
Average abatement cost (Rs/kg)  &        7.89&        5.98&       10.08&       71.27\\
Variable abatement cost (Rs/kg) &        2.38&        1.80&        3.04&       21.48\\
\addlinespace

&\multicolumn{4}{c}{\textit{Total Boiler Capacity = 6 TPH}}\\ \addlinespace

Capital costs (Rs/month, amort.)&     9560.83&    15645.00&    16514.17&   104300.00\\
Variable costs (Rs/month)       &     4125.00&     6750.00&     7125.00&    45000.00\\
Emission reduction (\%)         &       80.00&       99.00&       94.00&       99.70\\
Assumed pollution (kg/month)    &     2323.37&     2323.37&     2323.37&     2323.37\\
Emission abatement (kg/month)   &     1858.70&     2300.14&     2183.97&     2316.40\\
Average abatement cost (Rs/kg)  &        7.36&        9.74&       10.82&       64.45\\
Variable abatement cost (Rs/kg) &        2.22&        2.93&        3.26&       19.43\\
\addlinespace

&\multicolumn{4}{c}{\textit{Total Boiler Capacity = 8 TPH}}\\ \addlinespace

Capital costs (Rs/month, amort.)&    11299.17&    19990.83&    26075.00&   173833.33\\
Variable costs (Rs/month)       &     4875.00&     8625.00&    11250.00&    75000.00\\
Emission reduction (\%)         &       80.00&       99.00&       94.00&       99.70\\
Assumed pollution (kg/month)    &     3612.38&     3612.38&     3612.38&     3612.38\\
Emission abatement (kg/month)   &     2889.91&     3576.26&     3395.64&     3601.55\\
Average abatement cost (Rs/kg)  &        5.60&        8.00&       10.99&       69.09\\
Variable abatement cost (Rs/kg) &        1.69&        2.41&        3.31&       20.82\\
\addlinespace

&\multicolumn{4}{c}{\textit{Total Boiler Capacity = 15 TPH}}\\ \addlinespace

Capital costs (Rs/month, amort.)&    13906.67&    20860.00&    26075.00&   234675.00\\
Variable costs (Rs/month)       &     6000.00&     9000.00&    11250.00&   101250.01\\
Emission reduction (\%)         &       80.00&       99.00&       94.00&       99.70\\
Assumed pollution (kg/month)    &     8781.49&     8781.49&     8781.49&     8781.49\\
Emission abatement (kg/month)   &     7025.19&     8693.67&     8254.60&     8755.14\\
Average abatement cost (Rs/kg)  &        2.83&        3.43&        4.52&       38.37\\
Variable abatement cost (Rs/kg) &        0.85&        1.04&        1.36&       11.56\\
\addlinespace
\bottomrule
\end{tabular}
}
